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Problemas populares

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Problemas populares de Trigonometría

2-2sin^2(x/2)=sin^2(x)	2-2\sin^{2}(\frac{x}{2})=\sin^{2}(x)
sin(x)+cos(x)=2	\sin(x)+\cos(x)=2
3cos(B)-1=5cos(B)+1	3\cos(B)-1=5\cos(B)+1
cos(θ)=(sqrt(3))/4	\cos(θ)=\frac{\sqrt{3}}{4}
cos(x)=(-3)/5	\cos(x)=\frac{-3}{5}
solvefor x,sin(2x)=-1/2	solvefor\:x,\sin(2x)=-\frac{1}{2}
9cos(2θ)=27cos(θ)-18	9\cos(2θ)=27\cos(θ)-18
4csc(x)=sqrt(3)csc(x)cot(x)+3csc(x)	4\csc(x)=\sqrt{3}\csc(x)\cot(x)+3\csc(x)
4cos^2(x)+4cos(x)=1,0<= x<360	4\cos^{2}(x)+4\cos(x)=1,0^{\circ\:}\le\:x<360^{\circ\:}
8cos^2(x)=4	8\cos^{2}(x)=4
4cos(3x)=0	4\cos(3x)=0
sin^2(x)=sin^2(x/2)	\sin^{2}(x)=\sin^{2}(\frac{x}{2})
cos(x)= 6/8	\cos(x)=\frac{6}{8}
10sin(a)+16=3sin(a)+9	10\sin(a)+16=3\sin(a)+9
3sin(x)=2	3\sin(x)=2
(tan(x)+1)(sqrt(3)cot(x)-1)=0	(\tan(x)+1)(\sqrt{3}\cot(x)-1)=0
solvefor x,p+3q=z+cot(y-3x)	solvefor\:x,p+3q=z+\cot(y-3x)
4sin(x)cos(x)=0	4\sin(x)\cos(x)=0
sin(2x)sin(x)=0,0<= x<= 360	\sin(2x)\sin(x)=0,0^{\circ\:}\le\:x\le\:360^{\circ\:}
cot^2(x)=csc(x)+1	\cot^{2}(x)=\csc(x)+1
cos(x)-sin(x)=0.5	\cos(x)-\sin(x)=0.5
sin(x+pi)-sin(x)+sqrt(3)=0	\sin(x+π)-\sin(x)+\sqrt{3}=0
csc(x)=1.5	\csc(x)=1.5
tan(t)=0	\tan(t)=0
cos(θ/2)= 1/(sqrt(2))	\cos(\frac{θ}{2})=\frac{1}{\sqrt{2}}
2/(sqrt(3))cos(3θ)=1	\frac{2}{\sqrt{3}}\cos(3θ)=1
cos^2(x)-sin^2(2x)=0	\cos^{2}(x)-\sin^{2}(2x)=0
tan(x)=-0.5	\tan(x)=-0.5
sin(x)-cos(x)-1=0	\sin(x)-\cos(x)-1=0
7sec^2(x)-7sec(x)=14	7\sec^{2}(x)-7\sec(x)=14
0=1+2sin(2x)	0=1+2\sin(2x)
0=1+2cos(3θ)	0=1+2\cos(3θ)
tan(4x)=-sqrt(3)	\tan(4x)=-\sqrt{3}
sin(pix)=-1/2	\sin(πx)=-\frac{1}{2}
cos^2(x)+sin(x)-1=0	\cos^{2}(x)+\sin(x)-1=0
-2cos^2(x)-cos(x)+1=0	-2\cos^{2}(x)-\cos(x)+1=0
sin(x)= 9/14	\sin(x)=\frac{9}{14}
4tan^2(x)+5tan(x)-6=0	4\tan^{2}(x)+5\tan(x)-6=0
sin(x)= 1/2 ,0<= x<2pi	\sin(x)=\frac{1}{2},0\le\:x<2π
cos(t)+cos(2t)=-1	\cos(t)+\cos(2t)=-1
sin(θ)=sqrt(3/4)	\sin(θ)=\sqrt{\frac{3}{4}}
3cos(t)=0	3\cos(t)=0
cos(θ)= 7/9	\cos(θ)=\frac{7}{9}
1-cot^2(x)=0	1-\cot^{2}(x)=0
cot^2(x)-2csc^2(x)+5=0	\cot^{2}(x)-2\csc^{2}(x)+5=0
3tan(x)=sqrt(3),0<= x<2pi	3\tan(x)=\sqrt{3},0\le\:x<2π
cos(x)=(5.3)/(8.5)	\cos(x)=\frac{5.3}{8.5}
sin(3x)=cos(x)	\sin(3x)=\cos(x)
sin(5x-10)=(sqrt(2))/2	\sin(5x-10^{\circ\:})=\frac{\sqrt{2}}{2}
tan(θ)= 3/6	\tan(θ)=\frac{3}{6}
sinh(x)= 9/40	\sinh(x)=\frac{9}{40}
12sin(x)=6	12\sin(x)=6
2tan^2(x)-5tan(x)+2=0	2\tan^{2}(x)-5\tan(x)+2=0
9sec^2(x)-9sec(x)=18	9\sec^{2}(x)-9\sec(x)=18
sec^2(x)-8sec(-x)-20=0	\sec^{2}(x)-8\sec(-x)-20=0
3arccos(5x)=2pi	3\arccos(5x)=2π
sqrt(3)cot(3θ+pi/3)+1=0	\sqrt{3}\cot(3θ+\frac{π}{3})+1=0
tan(θ)= 4/13	\tan(θ)=\frac{4}{13}
2cos^2(x)-cos(x)-1=0,0<= x<= 2pi	2\cos^{2}(x)-\cos(x)-1=0,0\le\:x\le\:2π
sin(θ)=-6/7	\sin(θ)=-\frac{6}{7}
asin(θ)=bcos(θ)	a\sin(θ)=b\cos(θ)
-9tan^2(θ)+12tan(θ)-4=0	-9\tan^{2}(θ)+12\tan(θ)-4=0
-5cos(x)=0	-5\cos(x)=0
2sin^2(θ)-sin(θ)=3	2\sin^{2}(θ)-\sin(θ)=3
tan(a)= 5/4	\tan(a)=\frac{5}{4}
4sin(2x)-3=0	4\sin(2x)-3=0
cos(a)= 5/13 ,e=sqrt(5*(tan(a)+sec(a)))	\cos(a)=\frac{5}{13},e=\sqrt{5\cdot\:(\tan(a)+\sec(a))}
csc(x/2)-1=0	\csc(\frac{x}{2})-1=0
4cos(x)+4sin(x)=2sqrt(6)	4\cos(x)+4\sin(x)=2\sqrt{6}
7tan^2(θ)-4tan(θ)=0,-90<= θ<= 90	7\tan^{2}(θ)-4\tan(θ)=0,-90^{\circ\:}\le\:θ\le\:90^{\circ\:}
3-4sin^2(x)=2cos^2(x)	3-4\sin^{2}(x)=2\cos^{2}(x)
2tan^2(α)=2tan(α)	2\tan^{2}(α)=2\tan(α)
cos^2(x)-sin^2(x)=-3/4	\cos^{2}(x)-\sin^{2}(x)=-\frac{3}{4}
8cos(8x)=0	8\cos(8x)=0
sin(x)=2sqrt(2)	\sin(x)=2\sqrt{2}
sin(x)(1+sin(x))=0	\sin(x)(1+\sin(x))=0
cos(x)=10	\cos(x)=10
cos^2(x)-7cos(x)+12=0	\cos^{2}(x)-7\cos(x)+12=0
2sin^2(x)+sin(x)-1=0,0<= x<= 2pi	2\sin^{2}(x)+\sin(x)-1=0,0\le\:x\le\:2π
2sin(e^{t/4})+1=0	2\sin(e^{\frac{t}{4}})+1=0
3sin^2(x)-2sin(x)=0	3\sin^{2}(x)-2\sin(x)=0
sin(u)=-2/5	\sin(u)=-\frac{2}{5}
2sin(3x)cos(2x)-cos(2x)=0	2\sin(3x)\cos(2x)-\cos(2x)=0
(1+tan(x))/(sin(x))=0	\frac{1+\tan(x)}{\sin(x)}=0
4sin^2(x)+2sin(x)-2=0	4\sin^{2}(x)+2\sin(x)-2=0
solvefor x,cos(xy)=0	solvefor\:x,\cos(xy)=0
-6cos(x)sin(x)=0	-6\cos(x)\sin(x)=0
tan(2x-pi/6)=sqrt(3)	\tan(2x-\frac{π}{6})=\sqrt{3}
sin^2(x)+6sin(x)=2sin(x)-3	\sin^{2}(x)+6\sin(x)=2\sin(x)-3
sin(x)+cos(x)= 1/5	\sin(x)+\cos(x)=\frac{1}{5}
cos((2x)/3)-1=0	\cos(\frac{2x}{3})-1=0
4sin^2(θ)-11sin(θ)+7=0	4\sin^{2}(θ)-11\sin(θ)+7=0
cos^2(x)+cos^4(x)=1	\cos^{2}(x)+\cos^{4}(x)=1
-3cos(θ)=2	-3\cos(θ)=2
tan(x)= 1/3 sqrt(3)	\tan(x)=\frac{1}{3}\sqrt{3}
4cos(y)=0	4\cos(y)=0
tan(θ)=0.4	\tan(θ)=0.4
5cos(x)-sqrt(3)=3	5\cos(x)-\sqrt{3}=3
7-6cos^2(x)=5sin(x)	7-6\cos^{2}(x)=5\sin(x)
3+sin(θ)=2csc(θ)	3+\sin(θ)=2\csc(θ)

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